The measurement of the acceptance angle of an optical fiber, which is the maximum angle at which the core of the fiber will take in light that will be contained within the core. Taken from the fiber ...

The naming system can seem confusing at first: aperture settings are named for what fraction of the focal length the diameter of the hole is. This risks being confusing in two ways: firstly, a smaller ...

Ever see a photograph with a dreamy, out-of-focus background? Or perhaps a landscape with pin-sharp details from the closest foreground elements all the way to distant clouds? Aperture is what allows ...

Designed with new manufacturing technology that creates lenses with shapes that are difficult to fabricate using other methods, Olympus’ new X Line™ series objectives and the UPLAPO-HR objectives for ...